Kvitova reaches Connecticut quarters, Gavrilova out

Petra Kvitova remains on course to win her fourth Connecticut Open title after getting past Zarina Diyas in three sets on Wednesday.

Czech Kvitova, seeded third for the WTA Premier event in New Haven, overcame her Kazakh opponent 6-1 5-7 6-2 to book a meeting with Carla Suarez Navarro in the quarter-finals, as the world number five seeks to add to the titles she won in 2012, 2014 and 2015.